1 files changed, 2 insertions, 2 deletions
diff --git a/source/blender/draw/engines/overlay/shaders/overlay_outline_prepass_gpencil_frag.glsl b/source/blender/draw/engines/overlay/shaders/overlay_outline_prepass_gpencil_frag.glsl
index 92be9ec3bcb..2b7c3f06769 100644
--- a/source/blender/draw/engines/overlay/shaders/overlay_outline_prepass_gpencil_frag.glsl
+++ b/source/blender/draw/engines/overlay/shaders/overlay_outline_prepass_gpencil_frag.glsl
@@ -23,9 +23,9 @@ void main()
   if (!gpStrokeOrder3d) {
     /* Stroke order 2D. Project to gpDepthPlane. */
     bool is_persp = drw_view.winmat[3][3] == 0.0;
-    vec2 uvs = vec2(gl_FragCoord.xy) * drw_view.viewport_size_inverse;
+    vec2 uvs = vec2(gl_FragCoord.xy) * sizeViewportInv;
     vec3 pos_ndc = vec3(uvs, gl_FragCoord.z) * 2.0 - 1.0;
-    vec4 pos_world = drw_view.persinv * vec4(pos_ndc, 1.0);
+    vec4 pos_world = drw_view.viewinv * (drw_view.wininv * vec4(pos_ndc, 1.0));
     vec3 pos = pos_world.xyz / pos_world.w;
 
     vec3 ray_ori = pos;